SB Acoustics SB23NACS45-4 standard measurements on LoudspeakerLab. 90.0 dB sensitivity. Fs 23 Hz. Qts 0.330. Evidence grade B+ (78.0/100). 6 public...
Fs: 23 Hz; Qts: 0.330; Qes: 0.350; Qms: 5.400; Vas: 95.00 L; Sd: 216.0 cm²; Re: 3.30 Ω; Le: 0.27 mH; Sensitivity: 90.0 dB; Nominal Z: 6.0 Ω; Measured range: 20-19897 Hz
On-axis flatness 72 · DI tracking 69 · DI smoothness 42 · THD 80 · Composite 68
Scored passband 35 Hz–2.4 kHz
Distortion measurements · Nearfield data · Measured profiles · Off-axis H/V response data available.
Vented ~52.0 L · Fb 31 Hz
6 public loudspeaker designs on LoudspeakerLab use this driver.
LoudspeakerLab evidence grade: B+ (78.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.